APA (7th ed.) Citation

Geological Survey (U.S.) & United States. National Aeronautics and Space Administration. (1981). Shaded relief map of the lunar polar regions. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and United States. National Aeronautics and Space Administration. Shaded Relief Map of the Lunar Polar Regions. Reston, Va.: The Survey, 1981.

MLA (9th ed.) Citation

Geological Survey (U.S.) and United States. National Aeronautics and Space Administration. Shaded Relief Map of the Lunar Polar Regions. The Survey, 1981.